Home / 1,442,149.46-1,990,432.49-926,547.89

Finding the Fourth Proportional to 1,442,149.46, 1,990,432.49 and 926,547.89

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Solution

The fourth proportional to 1,442,149.46, 1,990,432.49 and 926,547.89 is: 1,278,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,149.46 : 1,990,432.49 = 926,547.89 : x
  2. Step 2: Convert to fraction form
    1,442,149.46/1,990,432.49 = 926,547.89/x
  3. Step 3: Cross multiply
    1,442,149.46x = 1,990,432.49 × 926,547.89
  4. Step 4: Simplify right side
    1,442,149.46x = 1,844,231,009,212.04
  5. Step 5: Solve for x
    x = 1,844,231,009,212.04/1,442,149.46
  6. Step 6: Final answer
    x = 1,278,807.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.